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Cotton beveling engrafting method

A cotton and cutting technology, applied in the fields of botanical equipment and methods, horticulture, application, etc., can solve the problems of labor-intensive and slow grafting, and achieve the effect of simple operation and fast grafting.

Inactive Publication Date: 2009-07-29
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with this method of grafting, the rootstock and the scion need to be cut at least 2 times each, and the cut surface of the rootstock and the scion is required to be smooth and the incisions match, which is labor-intensive and the grafting speed is slow.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] On April 12, 2008, the rootstock kapok (collected in Lingshui County, Hainan Province) and the upland cotton nuclear male sterile line GA5 (quoted from the Institute of Economic Crops, Sichuan Academy of Agricultural Sciences) used as scions were sown at the same time In the nutrition cup, pour water thoroughly, germinate in a small arched shed covered with plastic film, shade the shed with a sunshade net, keep the temperature in the shed at 20°C-35°C, and the natural relative humidity in the shed. Seedlings emerge after 4 days of sowing, and on the 8th day, select seedlings with strong growth, no damage by diseases and insect pests, and stems or hypocotyls with equivalent diameters, and graft according to the following steps:

[0017] (1) Cut the rootstock seedlings obliquely downwards to the other side with a blade at the cotyledon node to form a flat cut surface with a length of 0.5-1.5cm. At the same place, use a blade to cut obliquely downward or upward from one si...

Embodiment 2

[0022] On June 12, 2008, the rootstock kapok (collected in Lingshui County, Hainan Province) and the upland cotton male sterile line GA5 (quoted from the Institute of Economic Crops, Sichuan Academy of Agricultural Sciences) used as scions were sown at the same time Put it in a nutrition cup, put it in an artificial climate box, set 12 hours of light and 12 hours of darkness, and the light intensity during the day is 178μmol·m 2 ·s -1 , the temperature is 30°C; the night is completely dark, the temperature is 20°C, and the relative humidity is 80% throughout the process. Seedlings emerge after 5 days of sowing, and on the 10th day, select seedlings with strong growth, no damage by diseases and insect pests, stems or hypocotyl diameters to graft according to the following steps:

[0023] (1) The rootstock seedlings are obliquely cut upwards to the other side with a blade at the cotyledon node, and the length of the cut surface is 1-2cm, then the scion seedlings are placed at t...

Embodiment 3

[0028] On July 5, 2008, the kapok kapok (seed source is the same as embodiment 2) plant of about 0.5m plant height grown in the field was cut off the part above 20cm from the base of the stem, and transplanted to the nutrient cup to be used as a rootstock; Cut simultaneously the branch of male sterile dual-purpose line GA5 (seed source is the same as embodiment 2), the diameter of its stem is comparable to the diameter of the rootstock stem top grafting place (the difference in diameter between the two is no more than 3mm), and it is cut Make a stem segment with 1-2 axillary buds for scion use. Follow the steps below to graft:

[0029] (1) Cut the top of the rootstock stem obliquely to the other side with a blade, and the length of the cut surface is 1.5-3cm, and then use a blade to cut the lower part of the scion stem from one side of the stem downward or upward to the other side obliquely, and the length of the cut surface is the same as that of the rootstock cut surface qu...

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Abstract

The invention relates to a cotton beveling grafting method. The method comprises the following steps: selecting a healthily growing cotton seedling or plant without plant diseases and insect pests as a parent stock and a scion, beveling the stem from one side to the other side through a blade or a grafting knife at the position where the stem or plumular axis diameters of the parent stock and the scion are approximately equal so as to form flat cut surfaces, then adhering the cut surfaces of the parent stock to the scion, fixing the joint position through a grafting clamp or binding up the joint position through adhesive sticker tag paper, then shifting the grafted seedling into a thermal and moisture insulation environment, and hardening the seedling and transplanting the seedling to a field after the interface is healed. The cotton grafting method has very simple operation and a high grafting speed. One plant can be grafted in less than ten minutes in average. The grafting survival rate can reach above 95 percent. The method can be used for grafting any cotton seedling and cotton plant.

Description

technical field [0001] The invention relates to a plant grafting method, in particular to a cotton grafting method. Background technique [0002] Cotton grafting generally adopts split grafting or leaning grafting. [0003] In 2005, Ma Zhiying and others invented the "Cotton Grafting and Grafting Method" (CN200510090827.7). It is made by cutting the stock into a "V" shape and cutting the scion into an inverted "V". But grafting with this method needs to cut at least 2 knives respectively to rootstock and scion, and requires rootstock and scion cut surface smooth, otch fits, comparatively takes a lot of work, and grafting speed is slow. Contents of the invention [0004] The purpose of the present invention is to provide a more convenient and quick cotton grafting method, i.e. the cotton oblique grafting method, comprising the steps: [0005] (1) select no damage by diseases and insect pests and robust cotton seedlings or plants as rootstock and scion; [0006] (2) at t...

Claims

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Application Information

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IPC IPC(8): A01G1/06
Inventor 周瑞阳
Owner GUANGXI UNIV
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